Speed Sensor For Overhung Mounting; Speed Sensor Assembly; Image - Siemens SIMOTICS DC 1GG7 Operating Instructions Manual

Maintenance
9.2 Repair

Image 9-4

1. Place the speed-sensor rotor on the conical shaft journal and tighten it to a torque of 10
2. Test the rotor to see if it is running smoothly. The permissible rotor deviation on the
3. Mount the speed-sensor stator. Ensure that the brushes still have sufficient length and do
9.2.6.2

Speed sensor for overhung mounting

Disassembly
With speed sensors for overhung mounting, the speed-sensor rotor is bolted to the machine
shaft journal or inserted cylindrically.
Note
Damage to the speed sensor
The speed sensor can be damaged during motor disassembly. Remove the speed sensor
before disassembling the motor.
1. Unscrew the speed-sensor stator and move it away, axially.
2. Remove the speed-sensor rotor. To do this, release the lateral set screw in the shaft journal
98

Speed sensor assembly

Nm using one M6 screw.
commutator is 0.05 mm.
not become damaged.
and pull the rotor out, axially.
SIMOTICS DC 1GG7
Operating Instructions 02/2016